Embark on a cosmic adventure to colonize planets, build bases, and upgrade your spacecraft. Explore a vast universe, gather resources, and uncover the secrets of uncharted worlds.






250+ iOS apps & games curated and reviewed
Looking for free planet sylvia apps and games? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | Yes | Yes | May 2026 | |
| 2 | Free was $9.99 | 2.8★ (187) | Yes | No | Aug 2026 | |
| 3 | Free | 4.3★ (486) | Yes | Yes | Aug 2026 | |
| 4 | Free was $0.99 | — | Yes | No | Aug 2026 | |
| 5 | Free | — | Yes | Yes | Jun 2026 | |
| 6 | Free | 3.9★ (16) | No | Yes | May 2026 | |
| 7 | Free | — | No | No | Aug 2026 | |
| 8 | Free | 4.5★ (321) | Yes | Yes | Aug 2026 |






Embark on a cosmic adventure to colonize planets, build bases, and upgrade your spacecraft. Explore a vast universe, gather resources, and uncover the secrets of uncharted worlds.





Design and build your own unique 3D planet from scratch. Sculpt mountains, carve rivers, and plant trees to create a personalized world. Save your creations to edit and share with friends.






Embark on an epic space adventure as an astronaut exploring alien planets. Harvest resources, battle extraterrestrial foes, and upgrade your skills to uncover cosmic secrets. This game offers a vast universe to discover and conquer.






Tap your way through a galaxy of planets, mining their cores for profit. Develop your spaceship, unlock cosmic powers, and build a mining fleet. Travel through time and space to upgrade your arsenal and defend the galaxy from mechanical foes.




Embark on an interstellar expedition to a post-apocalyptic planet. This RPG game blends action, strategy, and advanced graphics as you uncover mysteries, build a colony, and engage in thrilling real-time combat. Explore, research alien technology, and battle formidable foes.


Embark on an interstellar journey to explore the cosmos. Gather vital resources like oil, construct essential factories, and expand your reach across the entire universe. Your cosmic adventure awaits!


Embark on a galactic journey as a robotic miner tasked with gathering resources, solving environmental puzzles, and building a starship to return home. Explore unique alien worlds, upgrade your tools, and uncover the secrets of a mysterious mechanized civilization in this 2D sci-fi adventure.


Embark on an underwater adventure to rescue your captured crew from an evil alien. Navigate challenging aquatic worlds, collect coins to upgrade your spaceship, and battle dangerous creatures. Your quick reflexes and strategic upgrades are key to saving the day.


Navigate a procedurally generated galaxy as a comet, using precise one-tap controls to leap between planetary orbits. Recharge energy by visiting planets while avoiding the void. Experience a minimalist neon aesthetic and a dynamic difficulty that increases as you explore.


Pilot a starship in this arcade adventure, using an energy paddle to shatter a cosmic wall of blocks. Navigate shifting barriers, collect power-ups, and uncover universal secrets. Test your reflexes and strategy to become a galactic legend.


Embark on an interstellar journey as a brave explorer in a mysterious universe. Solve puzzles, interact with alien creatures, and uncover the secrets of ancient civilizations and future technology. Experience the tranquility and joy of life among the stars.


Simulate the terraforming of planets using real scientific principles. Cultivate life, manage resources, and build civilizations on various worlds, from our solar system to fictional planets and moons. Encounter alien life and defend your settlements from cosmic threats.


Embark on an imaginative sandbox adventure to explore a boundless cosmos. Craft your own cosmic tales with a myriad of elements, including weapons, spacecraft, and characters. Embrace absolute freedom to navigate space, construct intricate galaxies, and sculpt celestial landscapes.


Embark on an epic voyage through distant galaxies, exploring new planets and uncovering ancient secrets. Traverse breathtaking sci-fi environments, collect resources, and solve puzzles in a transformative journey filled with emotion and excitement.


Explore and colonize a mysterious galaxy by merging settlements and ships to build technological fortresses. Collect artifacts, expand your empire across unusual planets, and enjoy a relaxing idle experience as your colonies grow automatically.


Embark on a cosmic journey to restore order to the universe by connecting stellar cores and restructuring the galaxy. Solve intricate puzzles on a star chart, gathering identical stellar cores to illuminate the cosmos. Explore uncharted sectors and experience a sense of accomplishment with simple yet clever level designs.


Design and build your ultimate starship from a variety of parts. Engage in thrilling 1v1 tactical battles across the galaxy, merging modules to enhance your vessel and outsmart opponents. Prove your engineering and combat skills to become the ultimate spaceship builder.